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公开(公告)号：US20080013141A1
公开(公告)日：2008-01-17
申请号：US11772457
申请日：2007-07-02
IPC分类号： G02B26/10
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
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公开(公告)号：US20060055987A1
公开(公告)日：2006-03-16
申请号：US11219654
申请日：2005-09-07
IPC分类号： H04N1/04
CPC分类号： H04N1/0303 , G02B17/0621 , H04N1/03 , H04N1/0305 , H04N2201/02493
摘要： An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.
摘要翻译： 目的是提供一种具有非常简单的结构的成像光学系统，其可以在保持优异的图像质量的同时读取图像而不遭受显着的不对称像差。 用于图像读取的成像光学系统适于在原始表面和线传感器的相对位置改变以允许线传感器读取图像信息的同时，将原件表面上的图像信息的图像形成在线传感器上。 成像光学系统包括两个离轴反射表面，并且两个偏轴表面是正偏转表面和负偏转表面，或负偏转表面和正偏转表面，从原始表面侧按照上述顺序设置 其中将偏转参考轴线束顺时针的偏轴反射表面定义为负偏转表面，并且将逆时针偏转参考轴线束的偏离轴向反射表面定义为正偏转表面。
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公开(公告)号：US07929187B2
公开(公告)日：2011-04-19
申请号：US12696108
申请日：2010-01-29
CPC分类号： H04N1/0303 , G02B17/0621 , H04N1/03 , H04N1/0305 , H04N2201/02493
摘要： An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.
摘要翻译： 目的是提供一种具有非常简单的结构的成像光学系统，其可以在保持优异的图像质量的同时读取图像而不遭受显着的不对称像差。 用于图像读取的成像光学系统适于在原始表面和线传感器的相对位置改变以允许线传感器读取图像信息的同时，将原件表面上的图像信息的图像形成在线传感器上。 成像光学系统包括两个离轴反射表面，并且两个偏轴表面是正偏转表面和负偏转表面，或负偏转表面和正偏转表面，从原始表面侧按照上述顺序设置 其中将偏转参考轴线束顺时针的偏轴反射表面定义为负偏转表面，并且将逆时针偏转参考轴线束的偏离轴向反射表面定义为正偏转表面。
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公开(公告)号：US20100128329A1
公开(公告)日：2010-05-27
申请号：US12696108
申请日：2010-01-29
CPC分类号： H04N1/0303 , G02B17/0621 , H04N1/03 , H04N1/0305 , H04N2201/02493
摘要： An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.
摘要翻译： 目的是提供一种具有非常简单的结构的成像光学系统，其可以在保持优异的图像质量的同时读取图像而不遭受显着的不对称像差。 用于图像读取的成像光学系统适于在原始表面和线传感器的相对位置改变以允许线传感器读取图像信息的同时，将原件表面上的图像信息的图像形成在线传感器上。 成像光学系统包括两个离轴反射表面，并且两个偏轴表面是正偏转表面和负偏转表面，或负偏转表面和正偏转表面，从原始表面侧按照上述顺序设置 其中将偏转参考轴线束顺时针的偏轴反射表面定义为负偏转表面，并且将逆时针偏转参考轴线束的偏离轴向反射表面定义为正偏转表面。
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5.发明授权Imaging optical system and image reading apparatus including four, free-form shaped, resin off-axis reflective elements 有权成像光学系统和图像读取装置包括四个自由形状树脂离轴反射元件公开(公告)号：US07397585B2
公开(公告)日：2008-07-08
申请号：US11772457
申请日：2007-07-02
IPC分类号： H04N1/00
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
摘要翻译： 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件被布置成使得其镜面彼此相对并且被构造成满足条件表达式。
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公开(公告)号：US20060176594A1
公开(公告)日：2006-08-10
申请号：US11336974
申请日：2006-01-23
IPC分类号： G02B7/00
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
摘要翻译： 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件设置成使得其镜面彼此相对并构造成满足条件表达式。
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公开(公告)号：US07684094B2
公开(公告)日：2010-03-23
申请号：US11219654
申请日：2005-09-07
CPC分类号： H04N1/0303 , G02B17/0621 , H04N1/03 , H04N1/0305 , H04N2201/02493
摘要： An object is to provide an imaging optical system having a very simple structure that can read image while maintaining excellent image quality without suffering from significant asymmetrical aberrations. An imaging optical system for image reading is adapted to form an image of image information on a surface of an original onto a line sensor while changing a relative position of the original surface and the line sensor to allow the line sensor to read the image information. The imaging optical system includes two off-axial reflecting surfaces, and the two off-axial surfaces are a plus deflecting surface and a minus deflecting surface, or a minus deflecting surface and a plus deflecting surface disposed in the mentioned order from the original surface side, where an off-axial reflecting surface that deflects a reference axis beam clockwise is defined as a minus deflecting surfaces and an off-axial reflecting surface that deflects the reference axis beam anticlockwise is defined as a plus deflecting surface.
摘要翻译： 目的是提供一种具有非常简单的结构的成像光学系统，其可以在保持优异的图像质量的同时读取图像而不遭受显着的不对称像差。 用于图像读取的成像光学系统适于在原始表面和线传感器的相对位置改变以允许线传感器读取图像信息的同时，将原件表面上的图像信息的图像形成在线传感器上。 成像光学系统包括两个离轴反射表面，并且两个偏轴表面是正偏转表面和负偏转表面，或负偏转表面和正偏转表面，从原始表面侧按照上述顺序设置 其中将偏心参考轴光束顺时针的偏轴反射表面定义为负偏转表面，并且将参考轴线束逆时针偏转的偏轴反射表面定义为正偏转表面。
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公开(公告)号：US20080239440A1
公开(公告)日：2008-10-02
申请号：US12129875
申请日：2008-05-30
IPC分类号： G02B26/10
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
摘要翻译： 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件被布置成使得其镜面彼此相对并且被构造成满足条件表达式。
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公开(公告)号：US07570444B2
公开(公告)日：2009-08-04
申请号：US12129875
申请日：2008-05-30
IPC分类号： G02B7/00
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
摘要翻译： 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件被布置成使得其镜面彼此相对并且被构造成满足条件表达式。
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公开(公告)号：US07253928B2
公开(公告)日：2007-08-07
申请号：US11336974
申请日：2006-01-23
IPC分类号： H04N1/00
CPC分类号： G02B17/0663
摘要： Obtained are an imaging optical system having a simple structure in which imaging position deviation due to deformation caused by a weight of an off-axial optical element is reduced and an image reading apparatus using the same. According to an imaging optical system for image reading, image information on an original surface is imaged on a sensor, and is read by the sensor. The imaging optical system includes reflection-type off-axial optical elements, each of which has an outer shape whose lengths in directions orthogonal to each other are different from each other and whose thickness is smaller than a length of the outer shape in a short-direction thereof and is made of a resin material. The plurality of off-axial optical elements are disposed such that mirror surfaces thereof are opposed to each other and constructed to satisfy a conditional expression.
摘要翻译： 获得的是具有简单结构的成像光学系统，其中减少了由偏轴光学元件的重量引起的变形的成像位置偏差和使用其的图像读取装置。 根据用于图像读取的成像光学系统，将原始表面上的图像信息成像在传感器上，并由传感器读取。 成像光学系统包括反射型离轴光学元件，每个反射型偏轴光学元件具有彼此正交的方向上的长度彼此不同的外形，其厚度小于外形的长度， 方向，由树脂材料制成。 多个偏轴光学元件设置成使得其镜面彼此相对并构造成满足条件表达式。
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